Precise evaluation of bilateral pulmonary artery banding for initial palliation in high-risk hypoplastic left heart syndrome Kazuo Kitahori, MD, PhD,

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Presentation transcript:

Precise evaluation of bilateral pulmonary artery banding for initial palliation in high-risk hypoplastic left heart syndrome Kazuo Kitahori, MD, PhD, Arata Murakami, MD, PhD, Tetsuhiro Takaoka, MD, Shinichi Takamoto, MD, PhD, Minoru Ono, MD, PhD The Journal of Thoracic and Cardiovascular Surgery Volume 140, Issue 5, Pages 1084-1091 (November 2010) DOI: 10.1016/j.jtcvs.2010.07.084 Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 Accelerated blood flow velocity at bilateral pulmonary artery banding (bPAB) sites and estimated pressure gradients just after bPAB and before the Norwood operation (NW), both determined echocardiographically. LPA, left pulmonary artery; RPA, right pulmonary artery; PG, pressure gradient. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 1084-1091DOI: (10.1016/j.jtcvs.2010.07.084) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 Results of univariate regression analysis between bilateral pulmonary artery banding (bPAB) size and body weight (BW). Linear approximation curve shown as thick line. Two thin lines border area extending 0.5 mm on either side of thick line. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 1084-1091DOI: (10.1016/j.jtcvs.2010.07.084) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 3 Results of multivariate regression analysis indicating oxygen saturation (SaO2) just before the Norwood operation (NW). Four factors were used: banding size of right pulmonary artery (RPA), body weight (BW) at bilateral pulmonary artery banding (bPAB), BW at the Norwood operation (NW), and interval between bPAB and catheter examination. Between actual SaO2 and estimated SaO2 was significant (R2 = 0.79). The Journal of Thoracic and Cardiovascular Surgery 2010 140, 1084-1091DOI: (10.1016/j.jtcvs.2010.07.084) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions

Figure 4 Flow chart of patients from bilateral pulmonary artery banding (bPAB) to last medical checkup, showing number of patients at each stage. The Journal of Thoracic and Cardiovascular Surgery 2010 140, 1084-1091DOI: (10.1016/j.jtcvs.2010.07.084) Copyright © 2010 The American Association for Thoracic Surgery Terms and Conditions